Welcome to Anhui XinNing Equipment CO.,Ltd
Welcome to Anhui XinNing Equipment CO.,Ltd
Cast grinding ball is a crushing medium in the ball mill, which crushes the material in the ball mill and used widely in the mining industry and power plants etc.
1. Definition: Cast grinding ball is a crushing medium in the ball mill, which crushes the material in the ball mill.
2. Application: Metallurgical mines cement plant, power station, gas desulfurization, magnetic materials, chemical industry, coal water slurry, etc
3. Size ：
1） cast grinding balls ：￠ 8mm--- ￠ 150mm
2） cast grinding bar or cylpebs ：￠ 8×10 ㎜～￠ 40×45 ㎜
4，Chemical composition
Chrome content | Chemical composition(%) | |||||||
C | Si | Mn | Cr | Mo | Ni | P | S | |
Cr10 | 1.8--3.3 | 1.2 max | 2.5 max | 10--15 | low1.5 | a little | 0.08max | 0.08max |
Cr1--3 | 1.8-3.5 | 1.4max | 1.2max | 1--3 | low1.0 | a little | 0.08max | 0.08max |
Cr 3--7 | 2.0-3.2 | 1.2max | 0.5-1.5 | 3--9 | low1.0 | a little | 0.08max | 0.08max |
Cr ＞ 10 | Varies according to the requirements | |||||||
5.Mechanical Properties
Item | Mechanical Properties
| |||||
Hardness | AK(J/cm²) | Microstructure | Wear rate | Breakage rate | Times of falling | |
Cr ＞10 | 58-68HRC | 2.5max | M+C | 25gr/t.m | ＜ 1% | 108000min |
Cr ＜10 | 45-57HRC | 1.6max | P+C | 80gr/t.m | ＜ 1% | 10000min |
C-Carbide P-Pearite M-Martensite | ||||||
6.Picture for cast grinding ball
grinding balls
grinding bar or Cylpebs
